Yoshitake TA-22ML Manual Download Page 1

 

 

EPDT-273b

 

 

MODEL TA-22ML 

AIR VENT VALVE 

 

PRODUCT MANUAL

 

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Thank  you  very  much  for  choosing  the  Yoshitake’s  product.    To  ensure  the  correct  and  safe  use  of  the 

product, please read this manual before use. This manual shall be kept with care for future references. 

The symbols used in this manual have the following meanings. 

 

          Warning 

This  symbol  indicates  a  potentially  hazardous  situation  that,  if  not  avoided, 
could result in death or serious injury. 

          Caution 

This symbol indicates a hazardous situation that, if not avoided, may result in 
minor or moderate injury or may result in only property damage. 

 

 

Table of Contents 

 

1. Specifications and Capacities ······································· 1 

2. Dimensions and Weights ············································· 2 

3. Operational description ··············································· 3 

4. Installation 

4.1 Piping example ···················································· 4 

4.2 Warning and Caution before use··························· 4-5 

5. Operation 

5.1 Warning and Caution for use ·································· 6 

6. Maintenance 

6.1 Warning and Caution for maintenance and inspection ·· 6 

6.2 Daily and Periodic inspection ·································· 7 

6.3 Troubleshooting ··················································· 8 

6.4 Disassembly ······················································· 8 

6.5 Exploded view ····················································· 9 

After Sales Service 

 

 

 

 

 

 

 

 

 

 

 
 
 
 

Summary of Contents for TA-22ML

Page 1: ...uld result in death or serious injury Caution This symbol indicates a hazardous situation that if not avoided may result in minor or moderate injury or may result in only property damage Table of Cont...

Page 2: ...rubber Float High temperature resin Connection Inlet JIS R screwed Outlet Hose fitting 6 Coating Nickel coating Caution Please confirm that the indications on the product correspond with the specific...

Page 3: ...2 EPDT 273b 2 Dimensions and Weights mm Weight kg 15A R 1 2 23 95 5 0 36 20A R 3 4 28 101 0 4 25A R 1 35 104 0 46 A H Size Label...

Page 4: ...ps valve 8 open through lever 7 is lost Then valve 8 is closed by spring 9 and pressure to valve 8 3 When air bubbles are generated in the system and collected into the product water level inside the...

Page 5: ...e the top of the cap stopper Pic 2 when operation Fluid leaks because foreign substance exist on valve disc and seat when elbow cap is loosen leakage of liquid to outside from elbow cap may happen Do...

Page 6: ...seat and disc Because elbow cap is made of plastic it s consumable parts The elbow cap will be damaged if it is tightened with excessive force Tightening torque 0 5 N m more 8 Install the product ver...

Page 7: ...out with air at air discharge for initial operation This is not a failure of the product 5 If the piping is under negative pressure it draw in outside air 6 When on operation foreign substance such as...

Page 8: ...k visually See 6 3 Troubleshooting Periodic inspection 1time year item How to inspect actions to be taken Valve Disc Disassemble and check visually If scale such as dust to the Valve Disc clean it If...

Page 9: ...mage or deformation of the body or cover due to abnormal pressure rise 1 Replace the product 2 O ring is damaged 2 Replace the O ring 6 4 Disassembly 1 Stop driving of heat source hot water boiler ele...

Page 10: ...n it is treated as consumable supply Parts marked with an asterisk are consumable parts Caution Cover cannot be removed If removed the function and performance of the product cannot be maintained Elbo...

Page 11: ...product Yoshitake supplies the repair parts for 5 years otherwise individually agreed 3 This warranty does not cover the damage due to any of below 1 Valve seat leakage or malfunction caused by forei...

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